662 riLICES. 



broad.— Hab. Bahsmaa \, Stoains. ; Jamaica!, all co!l., on vrct rocks; [Cuba 1 to French 

 islands ! ; Pacific islands !]. 



74. D. fumarioides, Sie. Scandent, diffuse, priclcly ; leaf submcmbranaceous, gla- 

 brous 3-2-pinnatisect : segments pinnatipartite, ultimate Z-S-partite with cuneate, emargi- 

 iiate, or bifid divisims, the latter with a simple or forked rib, oblong, blunt, entire; indu- 

 sium obversely half-round, as broad as the leaf-division, equalling its summit, supported by 

 an expanded, simple vein—Schk. Crypt, t. 129. «/•— Ultimate segments 2'" long, its 

 divisions spreading, 1'" broad at the summit.— Hab. Jamaica \, Macf., AL, Wiles, on dry 

 hills; [Cuba!]. 



75. D. aculeata, Sm. Scandent, diffuse, priclcly ; leaf herbaceous, glabrous, 3-2- 

 pinnatiaect : segments inferior pinnatipartite, ultimate cuneate-roundish, unequally 2-3- 

 lohed: lobes blunt or bluntly emarginate, shortly obovate, entire, with a twice- or more 

 forked rib ; indusium roundish, exceeded in breadth by the leaf division, equalling its 

 summit, supported by an expanded, simple vein. — SI. t. 61. Sook. Spec. t. 54. B. — 

 Adiantnm, i.— Habit of the preceding : growth indefinite : ultimate segments little 

 larger, but more roundish above the broadly cuneate base.— Hab. Jamaica !, Saner., in dry 

 savannahs ; Dominica !, Imr. ; [Cuba ! to Gnadeloape !]. 



12. SACCOLOMA, Kaulf. 



Soii half-roundish, in a series linins the leaf-margin, inserted into the summit of a veiulet 

 or between its forking : indusium inferior, dimidiate, reniform, laterally free. — Veins /orferf 

 or simple, anastomosing between the sori or free. 



76. S. elegans, Kaulf. Leaf tall, pinnatisect, thin : segments lanceolate, entire, 

 below the serrate, narrowly acuminate apex : veins simple or 2-partite, closely subtrans- 

 verse, anastomosing between the approximate sori, and sending short, rectangular branch- 

 lets into the membranaceous, narrow, entire, fertile margin. — Hook. Gen. t. 58. /. 1-4. 

 Kze. Farnkr. f. 41. — Davallia Saccoloma, Spreng. — Climbing to the height of 20' (/V.) ; 

 leaf (the petiole inchided) about 6' long ; segments 8"-15" long, l"-2" broad.— Hab. 

 Jamaica !, Pd., Westmoreland, S. Georges ; Trinidad !, Cr., Tocnche ; [Panama ! to Brazil !]. 



77. S. Imrayana, Soak. Leaf pinnatisect, herbaceous : segments oblong-lanceolate 

 or ovate-oblong, blunt or bluntish, crenate above the cuneate base : veins forked, distantly 

 ascending, free, excurrent into the indusium, not into the leaf-margin ; sori somewhat dis- 

 tant, each below a crenature. — Hook. I. c. f. 5, 6; Spec. t. 49. A. — Petiole brown- 

 shining, 8"-] 2" long; leaf 5"-8", segments l"-2" long, the latter 6"'-8"' broad.— Hab. 

 Dominica !, /mr. ; [Guadeloupe!]. 



13. LINDSAYA, Dry. 



Sori linear, liuing the flat leaf-margin, inserted into a special anastomosis of veinlets : in- 

 dusium dimidiate, inferior, externally opeu. — Most pinnate leaf-segments subequal, and veins 

 dichotomous in the West Indian species. 



78. Ii. trapeziformis, Dry. Leaf 2-pinnatisect, membranaceous : segments dimidiate- 

 oblong, blunt or bluntish : inferior and basilar margin truncate, superior curved, fertile -.petiole 

 4-sided ; sori ooutinuoua, extending to the summit. — Hook. Gen. t. 63. A. — Primary seg- 

 ments 6"-12" long, 1-|"-1" broad. — Hab. Jamaica!, Lambert; Dominica!, Imr.; Trini- 

 dad !, Lockh. ; [Cuba ! to Brazil 1 ; East Indies !]. 



79. Ti. quadrangularis, Madd. Leaf 2-pinnatisect, membranaceous : segments di- 

 midiate-oblong, blunt ; inferior and basilar margin truncate, superior straightish, fertile : 

 petiole i-sided ; sori interrupted, extending to the summit (or continuous).- — Radd. Fil- 

 Bras. t. 74. — L. Klotzschiana, Moritz. — More slender than the preceding ; primai-y seg- 

 ments 4"-8" long, 8"'-10"' broad.— Hab. Dominica, S. Vincent !, Guild. ; [Guadeloupe ! ; 

 Panama I to Brazil !]. 



80. Ii. guianensis, Dry. i^ffl/' 2-pinnatisect, submembranaceons, somevi'hatjfexuose:, 

 segments dimidiate-ovate, rounded at the top, cuneate at the base: margins straightish or 

 slightly curved, superior tertile : petiole cylindrical; sori continuous, not quite extending to 



